CVE-2018-0683

Description

Buffer overflow in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote attackers to execute arbitrary code or cause a denial-of-service (DoS) condition via Cookie data.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 6.74% Top 10%
Vendor Advisory denbun.com Vendor Advisory denbun.com
Affected: NEOJAPAN Inc. Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier)
Published at:
Updated at:

References

Link Tags
https://www.denbun.com/en/pop/support/security/181003.html vendor advisory
http://jvn.jp/en/jp/JVN00344155/index.html third party advisory
https://www.denbun.com/en/imap/support/security/181003.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-0683?
CVE-2018-0683 has been scored as a critical severity vulnerability.
How to fix CVE-2018-0683?
To fix CVE-2018-0683, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0683 being actively exploited in the wild?
It is possible that CVE-2018-0683 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0683?
CVE-2018-0683 affects NEOJAPAN Inc. Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier).
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